DE2323439A1 - Verfahren und vorrichtung zum bearbeiten des umfangrandes von biegsamen kontaktlinsen - Google Patents
Verfahren und vorrichtung zum bearbeiten des umfangrandes von biegsamen kontaktlinsenInfo
- Publication number
- DE2323439A1 DE2323439A1 DE2323439A DE2323439A DE2323439A1 DE 2323439 A1 DE2323439 A1 DE 2323439A1 DE 2323439 A DE2323439 A DE 2323439A DE 2323439 A DE2323439 A DE 2323439A DE 2323439 A1 DE2323439 A1 DE 2323439A1
- Authority
- DE
- Germany
- Prior art keywords
- lens
- peripheral edge
- processing
- edge
- mandrels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000003754 machining Methods 0.000 title description 15
- 230000002093 peripheral effect Effects 0.000 claims description 46
- 239000003082 abrasive agent Substances 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 6
- 238000009499 grossing Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
- B24B9/142—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms for contact lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00932—Combined cutting and grinding thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7217783A FR2184473B1 (enrdf_load_stackoverflow) | 1972-05-18 | 1972-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2323439A1 true DE2323439A1 (de) | 1973-11-29 |
Family
ID=9098733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2323439A Pending DE2323439A1 (de) | 1972-05-18 | 1973-05-09 | Verfahren und vorrichtung zum bearbeiten des umfangrandes von biegsamen kontaktlinsen |
Country Status (11)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2725047B1 (fr) * | 1994-09-27 | 1997-01-31 | Essilor Int | Procede et dispositif pour obvier a la fragilite des aretes d'une lentille ophtalmique, et lentille ophtalmique correspondante |
| JP3649902B2 (ja) * | 1998-04-08 | 2005-05-18 | 松下電器産業株式会社 | ドームカバーの製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3353303A (en) * | 1964-11-13 | 1967-11-21 | Ait Ind Inc | Art of edging |
| US3528326A (en) * | 1967-08-30 | 1970-09-15 | Lauren G Kilmer | Contact lens edging apparatus |
| US3514908A (en) * | 1967-11-29 | 1970-06-02 | Bausch & Lomb | Process for finishing contact lenses |
| FR2076643A5 (enrdf_load_stackoverflow) * | 1970-01-22 | 1971-10-15 | Silor | |
| FR2097216A5 (enrdf_load_stackoverflow) * | 1970-05-27 | 1972-03-03 | Anvar | |
| US3722143A (en) * | 1971-01-29 | 1973-03-27 | Mabry R | Contact lens edge finishing machine |
-
1972
- 1972-05-18 FR FR7217783A patent/FR2184473B1/fr not_active Expired
-
1973
- 1973-05-09 DE DE2323439A patent/DE2323439A1/de active Pending
- 1973-05-10 US US358908A patent/US3877184A/en not_active Expired - Lifetime
- 1973-05-14 AU AU55640/73A patent/AU472771B2/en not_active Expired
- 1973-05-16 CH CH698973A patent/CH569297A5/xx not_active IP Right Cessation
- 1973-05-17 BE BE131205A patent/BE799653A/xx unknown
- 1973-05-17 CA CA171,658A patent/CA989177A/fr not_active Expired
- 1973-05-17 IT IT24226/73A patent/IT987677B/it active
- 1973-05-17 JP JP48055126A patent/JPS4956644A/ja active Pending
- 1973-05-18 NL NL7306965A patent/NL7306965A/xx not_active Application Discontinuation
- 1973-05-18 GB GB2387073A patent/GB1372816A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT987677B (it) | 1975-03-20 |
| CH569297A5 (enrdf_load_stackoverflow) | 1975-11-14 |
| BE799653A (fr) | 1973-09-17 |
| FR2184473B1 (enrdf_load_stackoverflow) | 1976-01-16 |
| FR2184473A1 (enrdf_load_stackoverflow) | 1973-12-28 |
| CA989177A (fr) | 1976-05-18 |
| NL7306965A (enrdf_load_stackoverflow) | 1973-11-20 |
| AU472771B2 (en) | 1976-06-03 |
| US3877184A (en) | 1975-04-15 |
| JPS4956644A (enrdf_load_stackoverflow) | 1974-06-01 |
| AU5564073A (en) | 1974-11-14 |
| GB1372816A (en) | 1974-11-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| OHA | Expiration of time for request for examination |